Custom cell_data_func for treeviewcolumn warnings.

[Germán Diago <germandiago gmail com>]

Hello. I'm having problems with this code. The problem is that I get a
lot of warnings
when I try to insert rows in my TreeModel from the main function.
My TreeColumnRecord has a pointer type, but it's not derived from
Glib::Object. Is this the problem?
And if it is, is there any workaround to not require my class to
inherit from Glib::Object without
splitting MisCols class into separate fields. Thanks in advance.



struct MiClase {
	std::string a;
public:
	MiClase() {}
	MiClase(std::string aa) : a(aa) {}
};

struct MisCols : TreeModelColumnRecord {
	Gtk::TreeModelColumn<MiClase *> entero_;
public:

	MisCols() {
		add(entero_);
	}	
};

void funcCol(CellRenderer * r, const Gtk::TreeModel::iterator& iter)
{
	CellRendererText * re = (CellRendererText *)r;
	Gtk::TreeModelColumn<MiClase *> col;
	re->property_text() = (iter->get_value(col)->a);
	
//	re->property_text() = iter->get_value(col)->a;
}


int main(int argc, char * argv[]) {
	Main m(argc, argv);	
	TreeView tv;
	Window w;
	MisCols cols;
	
	vector<MiClase> mc = {MiClase("hola"), MiClase("adios") };
		
	auto l = ListStore::create(cols);
	tv.set_model(l);

	auto row = *l->append();

	row[cols.entero_] = &mc[0];
	
	//row = *l->append();
	//row[cols.entero_] = &mc[1];
	
	TreeViewColumn viewcol("MiClase", cols.entero_);
	viewcol.set_cell_data_func(*viewcol.get_first_cell_renderer(), &funcCol);
		
	tv.append_column(viewcol);
	
	
	
	w.add(tv);
	w.show_all();
	Main::run(w);
}